Results 31 to 40 of about 2,527,276 (248)

Oxygen Activities Governing Structural Reversibility in Industrial Ni-Rich Layered Cathodes [PDF]

open access: yes
The chemical reactions and phase transitions at high voltages determine the electrochemical properties of high voltage layered cathodes such as Ni-rich rhombohedral materials.
Maxim, Avdeev   +13 more
core   +1 more source

New insights into the pre-lithiation kinetics of single-crystalline Ni-rich cathodes for long-life Li-ion batteries

open access: yesGreen Energy & Environment
Developing single-crystalline Ni-rich cathodes is an effective strategy to improve the safety and cycle life of Li-ion batteries (LIBs). However, the easy-to-loss of Li and O in high-temperature lithiation results in unsatisfactory ordered layered ...
Qiang Han   +5 more
doaj   +1 more source

Lithium stoichiometry engineering for fast-charging NMC811 cathodes [PDF]

open access: yesMaterials Advances
Ni-rich LiNi0.8Mn0.1Co0.1O2 (NMC811) cathodes are promising candidates for next-generation high-energy lithium-ion batteries; however, their practical application under fast-charging conditions is severely hindered by cation disorder, sluggish Li ...
Zahra Bahmaei   +2 more
doaj   +1 more source

Rotary 3D Printing With Integrated Electroplating

open access: yesAdvanced Engineering Materials, EarlyView.
A rotary material extrusion platform integrates localized copper electroplating with printing and encapsulation to fabricate cylindrical polymer–metal structures containing fully embedded, low‐resistance conductive pathways that enable internal Joule heating and thermally activated shape‐memory responses.
Antonio Zagaria   +5 more
wiley   +1 more source

Engineering of entropy-driven surface doping towards stabilized high-voltage NCM cathodes: Li (Ni, Co, Mn, Ce, La, Zr, Al) Ox

open access: yesMaterials Reports: Energy
Ni-rich LiNi0.8Mn0.1Co0.1O2 (NCM) cathodes in layered oxide cathodes are attractive for high-energy lithium-ion batteries but suffer from rapid capacity fade and thermal instability at high charge voltages.
Leqi Zhao   +8 more
doaj   +1 more source

A Multi‐Scale Machine Learning Framework for the Inverse Design of High Entropy Alloys

open access: yesAdvanced Engineering Materials, EarlyView.
High‐entropy alloys offer vast potential for various applications, including electrocatalysis; however, their compositional complexity challenges conventional screening. We introduce an inverse‐design framework combining two neural networks to determine optimal compositions and reconstruct nanoparticle geometry from targeted properties and conventional
Mikael Takoutsin   +14 more
wiley   +1 more source

Enhancing Thermal and High-Voltage Cycling Stability of Ni-Rich Layered Cathodes through a Ti-Doping-Induced Surface-Disordered Structure

open access: yes, 2022
Due to the high-energy density and potential cost advantage, Ni-rich layered oxide cathodes have attracted attention in electric vehicles. However, the inferior thermal stability and long-term cycling stability in a deeply charged state seriously ...
Na Li (6550)   +9 more
core   +1 more source

Enhancing Low‐Temperature Performance of Sodium‐Ion Batteries via Anion‐Solvent Interactions

open access: yesAdvanced Functional Materials, EarlyView.
DOL is introduced into electrolytes as a co‐solvent, increasing slat solubility, ion conductivity, and the de‐solvent process, and forming an anion‐rich solvent shell due to its high interaction with anion. With the above virtues, the batteries using this electrolyte exhibit excellent cycling stability at low temperatures. Abstract Sodium‐ion batteries
Cheng Zheng   +7 more
wiley   +1 more source

Hysteresis Induced by Incomplete Cationic Redox in Li‐Rich 3d‐Transition‐Metal Layered Oxides Cathodes

open access: yesAdvanced Science, 2022
Activation of oxygen redox during the first cycle has been reported as the main trigger of voltage hysteresis during further cycles in high‐energy‐density Li‐rich 3d‐transition‐metal layered oxides.
Liang Fang   +11 more
doaj   +1 more source

Air-Induced Degradation and Electrochemical Regeneration for the Performance of Layered Ni-Rich Cathodes

open access: yes, 2019
Nickel-rich layered oxides are promising cathodes for power batteries owing to their high capacity and low cost. However, during the production, storage, and application of nickel-rich cathodes, especially in case the Ni content exceeds 70%, their ...
Chunxian Zhou   +19 more
core   +1 more source

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